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Computer systems and software description for Standard-E+ Hydrogen Monitoring System (SHMS-E+)
Author(s) -
D.D. Tate
Publication year - 1997
Language(s) - English
Resource type - Reports
DOI - 10.2172/362564
Subject(s) - gas composition , flammability , composition (language) , hydrogen , computer science , process engineering , work (physics) , environmental science , reliability engineering , nuclear engineering , chemistry , engineering , mechanical engineering , physics , thermodynamics , organic chemistry , linguistics , philosophy
The primary function of the Standard-E+ Hydrogen Monitoring System (SHMS-E+) is to determine tank vapor space gas composition and gas release rate, and to detect gas release events. Characterization of the gas composition is needed for safety analyses. The lower flammability limit, as well as the peak burn temperature and pressure, are dependent upon the gas composition. If there is little or no knowledge about the gas composition, safety analyses utilize compositions that yield the worst case in a deflagration or detonation. Knowledge of the true composition could lead to reductions in the assumptions and therefore there may be a potential for a reduction in controls and work restrictions. Also, knowledge of the actual composition will be required information for the analysis that is needed to remove tanks from the Watch List. Similarly, the rate of generation and release of gases is required information for performing safety analyses, developing controls, designing equipment, and closing safety issues. This report outlines the computer system design layout description for the Standard-E+ Hydrogen Monitoring System

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